HF

Hermann Josef Frohn

Merck: 1 patents #5,419 of 9,382Top 60%
Overall (All Time): #1,566,162 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7652171 Cleavage of dialkoxyalkanes in ionic liquids Nikolai (Mykola) Ignatyev, Karsten Koppe, Peter Barthen 2010-01-26
4676254 Device for monitoring periods of ovulation 1987-06-30
4255138 Apparatus for use in maxillary orthopaedics 1981-03-10